Tool



' ot.`27,`1'925. l Y 1,559,084

. T. W. GAILLARD TOOL zl.. i5,led March 14 1924 5 Sheets-Sheet 1 Zim;

. l atto: n cq ocr. 27, 1925. 1,559,084

I T. W. GAILLARD I Toor. A l

Filed March 14 @924l Sheets-Sheet 2 oct. 27, l192s. y1,559,084

T. W. GAILLARD TOOL i gg 1924 ashun-sheer 3 30 "9 a. 62 J3 l 62 60 l31a/ontw;

7W MJ/,M

Patented Oct. 27, 1925.

UNITED/STATES PATENT oFFIcE.

' 'TooL Application filed March 14, y1924. Serial No. 69`947.

' ToraZZ 'whom t may conce/Mb:

-K Be it known that I, TAcrrUs WILLIAM GArLnmD, a citizenof the UnitedStates, residing at Brooklyn, in the county of Kings and State of NewYork, have invented certain new and useful-Improvements in Tools, ofwhich the following is a specification.

My `invention relates to tools for cutting and boring ho'les,vmoreparticularly adapted to cutwashers singly or simultaneously cut washersand disks of a given diameter.

In the accompanying drawings:

F ig. 1 is a side elevation of my device;

Fig.

Fig. 3 is a vertical section on line 3-3 of Fig. 2; Y

Fig. 4 is a transverse section through one of the tool carriers taken online 4-4 of Fig. 1;

Fig. 5 is an enlarged detail view of the knurled tool carrier adjustingnut;

Fig. 6 is a detail view of a modified form of the tool carrier andtransverse carrier bars;

Fig. 7 is a view showing a modified form of ratchet mechanism; and

Fig. 8 is a detail view of a gauge for setting or checking up theadjusted cutters.

In the drawings, the numeral 1 indicates a spindle having an extendedthreaded pon tion 2 of a reduced diameter forming a shoulder 4 near thebase of said spindle. The lower end of the spindle is provided with athreaded stem 5 which may bethreaded with the usual machine thread orthe wood screw type as occasion may require. Received upon the spindle 1isy a sleeve 6 having a hollow bore 7 of sufficient diameter to receivethe base of the spindle and areduced bore 8 of sufficient diameter topermit the threaded end of the spindle to pass through. A spring 10surrounding the threaded portion 2 ofthe spindle 1, is re ceived betweenthe shouldery 4 of the spindle and the shoulder 9 formed in the bore ofthe sleeve 6. Received upon theupper end of the spindle is a threadedlever y11 which acts to compress the expansion spring 10 and hold thespindle within the sleeve 6. The upper end of the reduced threadedportion 2 of the spindle is squared as at 12 to receive a. knob 13having a squared bore 14 to engage the squared end `of the spindle. Thisknob is preferably held in position by means of a screw 15 having areduced threaded end 2 is a section on line 2-2 of Fig. 1.; y

167w=hich is received in a threadedhole 17 in thesquared end of 'thespindle 1. The lower end of the knobA 13 is provided with radial tongues18 which' are adapted toengagea slot 19 in the upper face of the lever11. To permit the knob to be disengaged from the lever 11, there isinterposed between the shoulder 2O in the bore of the knob and the head21 of thescrew 15 an expansion spring22, the bore of the knob 13 beingnormally closed by a screw threaded plug When vthe knob l13 is inengagement with the lever 11, the lever when turned will yact to rotatethe spindle 1 and screw the threaded end 5 into the piece to beworked,.bringing the shouldered lower endl 24 of the spindle downagainst the work, after which the knob 13 is moved upwardly disengagingVthe lever 11 and the squared end of the spindle 1,r thus permitting thelever 11 to be used to compress the spring 10 and force the sleeve 6downwardly upon the spindlel.

. It s desirable to rotate the sleeve 6 with respect to the spindle 1.For this urpose a disk 25 is secured to the sleeve 6 y means of a setscrew 26, said disk having upon its upper face a plurality of ratchetteeth 27. Rotatably'mounted upon the sleeve is a T- blockv 28, providedVwith lateral threaded openings, to receive laterally extendingactuating bars 29-29- The lower end of the T-:biock is preferablyprovided with a plurality of radial ratchet teeth 30 which are adaptedto mesh with the ratchet teeth 27, said teeth being held in engagementby a spring 31 received in an enlarged bore in the upper end of theT-block 28, said spring being confined within the bore by means of acollar 32 secured to the sleeve 6 by a set lscrew 33, this springpermitting a step by step movement to be imparted through the ratchetteeth to the rotatable sleeve 6.

The lower end of the sleeve 6 has an enlarged head 34. Extendinglaterally from the head 34in either direction is a graduated bar 35 andextending parallel to said bar 35 andvon the opposite side of the centerof the tool is a screw threaded feed bar 36. Mounted'upon the transverse-bar 35 and the feed bar 36 on the opposite side of the centervare-'tool'carriers 37 preferably consisting of upper and lower blocks38 and 39 and arranged centrally of each toolcarrier'is a tooll holderconsisting of a V screw 40 having an enlarged head Lll and an opening42, adapted to receive the tool d3. Registering" with' the opening inthe headed tool holder are upper and lowerI slots le arranged in theinner faces of the upper and lower tool carriers 38 and 39. The outerend or' the threaded screw el() ci' the tool holder receives a nut l5which serves to secure the tool in place.

As a means ier adjusting the tool carriers laterally oi"- the boringtool lpreferably secure in one end ot each or' the ood carrier" blocks aknurled adjusting nut 46 having a reduced portion 4.7 received in thebore 48 in that end oi the tool carrier. rlhis nut is received upon thetransverse threaded bar 36. rl`he opposite end of the tool carrier isbored out to receive the transverse bar 35. Ars will be seen with therotation of the threaded nut 46 the tool carrier will be movedtransversely oi' the boring tool. As a means tor locking the toolcarrier in the desired position l preferably provide the carrier blocks33 and 39 with a pair olf'clamping screws 49. Each knurled nut isprovided on its outer end with a knurled dial 5l which has upon itsperiphery graduations from Zero to fifty. Each dial is provided on itsinner it'ace with an annular groove 52 to receive a ball 53 received inan opening 54 in the shank or the knurled nut, said ball being` pressedoutwardly by a spring 55. The lirst mentioned carrier bar graduated intoinches and fractions thereof. The threads on the companion transversetool bar 36 are threaded with ten threads to one inch. rEhe Zero mark onthe first mentioned transverse bar and the Zero on the dial brings thestarting point into calculation. One turn oi' the knurled nut 11:6 givesi'i'lity graduations of the dial advancing ther nut and the tool carrieronetenth of an inch, or tive turns ot the knurled nut advances thecutter one-halt inch multiplied by two which equals a change of one inchin the diameter ot the article being cut. As will be seen themeasurements are taken one-halt the diameter multiplied by two givingthe Jruil diameter'.

frs disclosed in Fig. 6 l have shown a modiiied view oi' the toolcarrier wherein t-he transverse tool carrier bar 36 is notscrew-threaded and the tool carriers 37 mounted upon these transversebars are manually adjustable, one of said transverse bars 35 beinglgraduated to i'ractions of an inch, screwsv f serving to secure the toolcarrier bar 3? in its adjustable position. As a means o adjusting orchecking' up the adjustment oli these tools l have preferably used agraduated scale as disclosed in Fig. 8. rlllhis gauge 58 is providedwith a slotted opening 59 at one end which has approximately the samediameter as the bottom end t the spindle l whereby it may be passednaaaosa over the end of the spindle l and the tools gauged accordingly.

is disclosed in Fig. 'T the sleeve 6 is provided at its upper end with aratchet wheel keyed or otherwise secured to the sleeve to impart avrotary motion thereto when actuated. Extending laterally of thevertical sleeve G are the actuating handles 59 and 60. The handle 59 isprovided with an extension el on inner end which has an opening theouter end thereoiE to receive the sleeve 6, said member til being placerbeneath. the ratchet wheel 5S. A companion member 62 extends inwardlyfrom the handle 60, this member 62 being provided with an opening at itsbase to receive the sleeve and placed on the opposite side oiI theratchet wheel 53. The handle 5t) is provided with a long movable ratchetpawl which ishoused between the members 6l and 62 and is adapted toengageV the ratchet wheel 58, said pawl being turned in an oppositedirection to effect the movement oi the ratchet wheel 58 in eitherdirection or may be placed in a neutral position when the handles areinactive.

in the tool used in this machine the cutters are adjusted to the desredradius upon each other to work either for cutting a disk or a washer inwhich latter case each cutter carrier is adjusted to its respectivedistance from the center to efiect a suitable cut. rlhe article to beworked is placed upon a. base A which has a central opening to receivethe threaded end 5 of the tool. In positioning the device the knurledknob 13 is turned to engage the lever ll whereupon a rotary motion bymeans oi the lever ll is imparted to the spindle l and the spindle isscrewed down into place upon the article to be worked and holds itsecurely in its proper position, The knob 13 is then disengaged trom thelever ll whereupon the lever is rotated about the upper screw threadedend Q of the spindle l acting to force the sleeve downwardly bringingthe cutters into engagement with the work. lt will be observed that thetit of the tool is accomplished by means oft the spring 10 interposedbetween the spindle l and the sleeve 6 as described, thereby assuring aconstant even pressure when fitting the tool to the work, thuseliminating possible chattering oit' the tool when being rotated. Uponthe completion of the cutting, the lever l1 is reversed in its vementand rotated to permit the tool and the sleeve to move away from thework, aiter the work vis cleared the knurled knob i3 is moved intoregistry with the slots in the lever 1l whereby the lever ll is nowcaused to rotate the spindle in such a direction as to disengage it fromthe work table fr.

Should it be desired to apply power tov this device, the knob 13 and thelever. l1 are removed, and a washer is placed overthe threaded portion 2ofthe spindle 1, adapted to rest upon the upper end of the' sleeve 6,whereupon the free end of the sleeve 6 may be secured in a chuck of thedrill-press or the like, vand power applied to drive the tool. Iclaim: 1. In a tool of the character described, the combination of acutter head, a sleeve connected/therewith, a spindle mounted in thesleeve, a handle connected with the spindle for moving the sleeveendwise in one direction relative to the spindle, .and lresilient meanstending to force the sleeve toward the opposite direction, v 2. In atool of the class described` the combination of a cutter head, a tubularsleeve extendingv upwardly therefrom, a spindle journaled in theVsleeve, said spindle having a feed screw on its `upper end, a screwthreaded lever engaging said feed screw and said tubular sleeve, and anactuating handle yfor said cutterhead.

' 3. In a tool of the class described, the combination of a cutter head,a tubular sleeve extending upwardly therefrom, /a rspindle journale'd inthe sleeve, said spindle having a feed screw on its upper end, and asquared portion at'its extreme upper end, a Vscrew threaded leverengaging said feed screw and said tubular sleeve, a knob carried uponthe squared end of said feed screwvadapted to engage said feed leverlocking the latter against rotation with respect to said feed screw andan actuating handle for rotating said cutter head.

4. In a tool of the class described, the combination of a cutter head, atubular sleeve extending upwardly therefrom, a shouldered spindlejournaled in the sleeve, said spindle having a reduced threaded upperportion, an extension spring interposed between the shoulder of saidspindle and the upper end of said tubular sleeve, a screw threaded levercarried by said feed screw and engaging the upper end of said tubularsleeve and an actuating handle for said cutter head.

5. In a tool of the classdescribed, the combination of a cutter head, a.tubular sleeve extending upwardly therefrom, a shouldered spindlejournaled in the sleeve, said spindle having a reduced threaded upperportion, a squared portion in its extreme outer end, an extension springinterposed between the shouldered end of said spindle and the upper endof said sleeve, a lever having a screw-threaded engagement with saidspindle and adapted to bear against the outer end of said sleeve andmeans carried by the squared portion of the spindle for locking saidlever against rotation with respect to the feed screw, and an actuatinghandle for rotating said cutter head.

6. In a tool of the class described, the combination with a cutter head,transverse parallel carrier bars carried by said cutter head, adjustabletool carriers carried by said parallel bars, a tubular sleeve extendingupwardly from said cutter head, `a screwthreadedl spindle journaled inthe sleeve, a screw threaded lever carried by said spindle eecting avertical movement of said tubular sleeve, and an actuating handle forrospindle journaled in the sleeve, a sore-iv threadedy lever carried byVsaid spindle adapted tobear against the outer end of said ltubularsleeve for imparting a'. vertical movement to saidv cutter head and anactuating handle for rotatingsaid cutter head.

8. In a tool of the class described, the combination of a cutter head,transverse parallel carrier bars carried by said cutter head, one ofsaid bars being threaded and the other of said bars being graduated,tool carriers arranged between said carrier bars, nuts journaled in saidtool carriers and engaging said threaded carrier bar, graduated dialscarried by said nuts, clamping means carried by them for locking saidtool carriers against movement, a tubular sleeve extending upwardly fromsaid cutter head, a spindle journaled in the sleeve, said spindle havinga reduced threaded upper portion extending above said tubular sleeve,ascrewthreaded lever carried by said spindle adapted to engage with theupper end of said sleeve, an extension spring interposed between thelower end of said spindle and the upper end of said tubular sleeve andmeans carried by said spindle and for locking said lever againstrotation with respect to said spindle, a ratchet wheel carried by saidtubular sleeve and `actuating handles rotatably mounted upon saidtubular sleeve and provided with ratchet teeth to engage the ratchetwheel upon said spindle for rotating the latter.

9. In a tool of the class described, the combination of a cutter-head, atubular sleeve extending upwardly therefrom, a spindle journaled in thesleeve, said spindle having a feed-screw on its upper end, ascrew-threaded lever carried by said spindle and bearing against theupper end of said tubular sleeve, and means for locking said leveragainst rotation with respect to said feed-screw.

10. In a tool of the class described, the

adapted to engage. said tubular sleeve for combination of a cutter-head,transversely parallel Carrier bars carried by said headvn adjustabletool carriers Carried by said parallel carrier-bars, a tubular sleeveextendnf?F 5 upwardly trom said cutter-head, a screwthreaded spindlejonrnaled in the slee-fe`l a serewdfhreaded lever earrQd by saidspndle.: and adapted to engage said tubular sleeve tor electng aVertical movement thereot. means for looking said lever against movementwith respect to sai-d spindle, and an actuating' handle for rotating'said @utterhead.

ll. ln a tool of the eharaeter desrrlhed, the. eon'lblnaton of athreaded rotatable spindle, a rotatable cutter-head Surrounding saldrotatable spmdlec a 'teed-lever carrwd by send threaded spindle adaptedto engage said rotatable cutter for feeding it in one www ay saidpznizlqllely bars, and a feed-learner. carried lby said rotatablespindle adapted to engage Saifd rotatableo1Itter-bead` *For feeding itin one direction.

13. lfn a tool of the class described, the

eonlbinatkm et' a threaded rotatable spin`v (lle, a rotat ,blecutter-head surrounding said rotatable spindle comprisingtransvlea'seljvv parallel earrerwbars earried by; saldf rotatablecutter-head, yadinstalle tool-*carrier oarred hy said parallel bars,feedlever carried by said rotatable VSpludle adapted to engage said`rotatable Cutterhead for feeding' it in one direction, and means forlocking said foot-lever agalnet movement with respect to said spindle,and an aetuatia;r handle tor said rotatable eutter-head. v

14. A tool ot the character described including a Cutter head, graduatedand threaded ybars connected therewith and extending laterally Jfromsaid cutter head, a 'tool carrier mounted between the transverse barsand carried thereby, a nut journaled in said tool carrier and engagingsaid threaded. bar 'for moving the Cutter head laterally.

ln testnaonj,v Whereoll l ax my signature..

TAClTUS VWM. GAILLARD,

